You really think Al Sharpton would accept slavery reparations in the form of tax incentives that span two generations instead of cash payments that happen right now? Because that won't work for a civil rights activist who makes a living like he does. When he's asking 2020 Democratic Presidential candidates if they'd support reparations, you know he's talking about the cash.
This article in the WSJ says "The candidates aren’t explicitly calling for direct payments from the U.S. Treasury into the bank accounts of Americans whose ancestors were slaves—and, typically, that isn’t what many African-American congressional leaders say reparations must be. It could amount to formal government recognition that slavery was an injustice committed by the U.S., for example."
But that's just beating around the bush nonsense. Formal government recognition that slavery was super bad and activists will be good to go my butt. If reparations were to actually happen, there's no way anything less than direct cash payments would be given the thumbs up as a sufficient addressing of the issue by African Americans. They and leftist activists would say the cash never landed and the US never took the issue seriously enough.